y	x_1	x_2	x_3
-31.56	3.76	0.94	16.5
-44.48	4.47	0.23	17.2
-26.28	1.97	0.52	15.7
-27.54	1.16	0.45	15.8
-22.68	0.73	0.48	16.7
-20.34	0.82	0.63	16.5
-46.19	5.84	0.27	18.2
-29	2.69	0.61	16.4
-31.6	3.08	0.46	16.3
-34.31	5.38	0.73	17.5
